Introduction to Geology
What Is Geology? Geology is that branch of science which deals with the earth as a whole regarding its history, composition, structure and day-to-day changes on surface as well as beneath the surface. Its is derived from the Greek word: geo means earth and logos means science. Earlier it was termed as Theology: theos means god and logos means science. Systematic and scientific progress of geology started in 1776 (Independence of America). In study of geology it requires to rely upon other basic branches. For example : Physics, Astronomy, Chemistry, Biology (Zoology and Botany). Classification of Geology The science of geology is vast subject but from engineering point of view the classification is 1. General Geology 2. Petrology 3. Engineering Geology 4. Indian Geology 1. General Geology: General geology is classified into three sub topics 1.a. The Restless Earth 1.b. Palanteology (study of fossils) 1.c. Mineralogy (study of minerals) 2. Petrology: It is d...